CVE-2025-64658

Published: Dec 9, 2025Modified: Jan 2, 2026

7.5

Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Exploitability: 0.8 / Impact: 6.0

Source: NVD

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Shell allows an authorized attacker to elevate privileges locally.

Affected (11)

Products: Microsoft: Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 23h2, Windows 11 24h2, Windows 11 25h2, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

10 products

Windows Server 2022 23h2

Windows Server 2025

Configuration A

11 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1809	Before 10.0.17763.8146
Microsoft Windows 10 1809	Before 10.0.17763.8146
Microsoft Windows 10 21h2	Before 10.0.19044.6691
Microsoft Windows 10 22h2	Before 10.0.19045.6691
Microsoft Windows 11 23h2	Before 10.0.22631.6345
Microsoft Windows 11 24h2	Before 10.0.26100.7392
Microsoft Windows 11 25h2	Before 10.0.26200.7392
Microsoft Windows Server 2019	Before 10.0.17763.8146
Microsoft Windows Server 2022	Before 10.0.20348.4467
Microsoft Windows Server 2022 23h2	Before 10.0.25398.2025
Microsoft Windows Server 2025	Before 10.0.26100.7392

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64658

Source: secure@microsoft.com

Vendor Advisory

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